ArticleMaterials (Basel, Switzerland)2020
Chromium Concentrate Recovery From Solid Tannery Waste in a Thermal Process.
Article in Materials (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Heterogeneous reactions control Cr(VI) release and sequestration in complex chemical mixtures of Cr, Fe, Cu, and organics.Environmental science. Processes & impacts · 2026Article
- The Thermal and Mechanical Performance of Leather Waste-Filled Bio-Based Thermoplastic Polyurethane Composites.Polymers · 2025Article
- Environmental and energy analysis of chromium recovery from residual tanned leather using alkaline thermal hydrolysis.Scientific reports · 2025Article
- Update on occupational dermatitis: reviewing toxic substances from OSHA standards.International journal of dermatology · 2025Review
- Valorisation of Tannery Waste to Recover Chromium with a View to Reusing It in Industrial Practise.Membranes · 2024Article
- Depollution of Polymeric Leather Waste by Applying the Most Current Methods of Chromium Extraction.Polymers · 2024Review
- Removal of Chromium (III) and Reduction in Toxicity in a Primary Tannery Effluent Using Two Floating Macrophytes.Toxics · 2024Article
- Hexavalent chromium release over time from a pyrolyzed Cr-bearing tannery sludge.Scientific reports · 2023Article
- Enhanced detoxification of CrNanoscale advances · 2023Article
- Article
- Modeling of Non-Ferrous Metallurgy Waste Disposal with the Production of Iron Silicides and Zinc Distillation.Materials (Basel, Switzerland) · 2022Article
- Review
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1 author.
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Abstract
Leather processing requires substantial inputs of energy, water and chemicals. Additionally, it generates significant amounts of liquid and solid waste, severely impacting the environment. Processing 1 Mg of raw hides yields up to 600-700 kg of waste, considerable amounts of which are solid tannery waste. Such waste contains chromium (Cr) compounds, which are commonly used as tanning agents. This paper reviews solid tannery waste treatment technologies, with emphasis on waste incineration in a specially designed experimental tunnel incinerator. Three different types of tannery waste were subjected to tests: trimmings, shavings and buffing dust. As the research revealed, the process can be applied to all types of solid tannery waste. Moreover, it enables the reuse of the heat of the process and results in a Cr concentrate in the process residues. The conducted analyses (carbon, hydrogen and nitrogen elemental analysis; inductively coupled plasma optical emission spectroscopy; powder X‑ray diffraction) proved that there is no or little organic content in the obtained residual ash, which contains up to 53.1%(w/w) Cr in the form of Cr (III) oxide. Such material may be used as a Cr ore substitute in the chemical or metallurgical industries.
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